J11 - Influenza due to unidentified influenza virus
J11.1 - Influenza due to unidentified influenza virus with other respiratory manifestations
InclusionTerm:
-Influenza NOS
-Influenzal laryngitis NOS
-Influenzal pharyngitis NOS
-Influenza with upper respiratory symptoms NOS
Use Additional Code:
-code for associated pleural effusion, if applicable J91.8)
-code for associated sinusitis, if applicable (J01.-)